Home / 5,007.45-6,909.97-2,769.15

Finding the Fourth Proportional to 5,007.45, 6,909.97 and 2,769.15

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Solution

The fourth proportional to 5,007.45, 6,909.97 and 2,769.15 is: 3,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.45 : 6,909.97 = 2,769.15 : x
  2. Step 2: Convert to fraction form
    5,007.45/6,909.97 = 2,769.15/x
  3. Step 3: Cross multiply
    5,007.45x = 6,909.97 × 2,769.15
  4. Step 4: Simplify right side
    5,007.45x = 19,134,743.43
  5. Step 5: Solve for x
    x = 19,134,743.43/5,007.45
  6. Step 6: Final answer
    x = 3,821.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.